How far is Blackhawk, SD from Watertown, SD?

The driving distance from Blackhawk, SD to Watertown, SD is about 364 miles (585.8 km), with a travel time of about 06h 03m by car.

  • The straight-line flight distance is about 309.3 miles (497.8 km).
  • For a round trip, plan for roughly 12h 07m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 AM MDT.
Trip Tools

Reverse, save, or send this route

This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
364.01 mi
06h 03m
Flight
309.33 mi
497.82 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Blackhawk.

Flight Distance

Direct air line
309.33 mi
Kilometers
497.82 km
Flight Time
00h 37m

Driving Distance

Road route
364.01 mi
Kilometers
585.82 km
Drive Time
06h 03m

Gas Cost Calculator

Leave and Arrive Planner

Pick a departure time to see your estimated arrival and same-day return window.

Drive time stays fixed at 06h 03m.

Arrival Snapshot
Arrive in Watertown
Thu, Apr 23, 4:04 AM CDT
Return by in Blackhawk
Thu, Apr 23, 9:08 AM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Blackhawk
2026-04-22T21:00
Arrive Watertown
Thu, Apr 23, 3:04 AM MDT
Route Timing
06h 03m
One way by road
Best Departure Window
6:00 AM to 7:30 AM MDT
Treat this as a longer travel day
Arrive between
1:04 PM to 2:34 PM CDT

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
11:52 PM MDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Blackhawk
8:00 PM MDT
Overnight-style route

You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Oacoma
SD

Township in Lyman County, South Dakota

From Blackhawk
205.2 mi
03h 01m
To Watertown
158.8 mi
03h 01m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
85°F
Wednesday

Partly Sunny then Slight Chance Showers And Thunderstorms

Starts
Wed, Apr 22 6:00 AM MDT
Wind
7 to 15 mph SW
Destination
85°F
Wednesday

Mostly Sunny

Starts
Wed, Apr 22 6:00 AM CDT
Wind
13 to 24 mph S

Driving Route Map

The map below follows the saved road route between Blackhawk and Watertown.

Turn-by-Turn Driving Directions

Step-by-step road directions between Blackhawk and Watertown.

  1. 1

    Start on Sturgis Road

    1403 ft · 30 sec · Sturgis Road

  2. 2

    Turn right onto Peaceful Pines Road

    1341 ft · 23 sec · Peaceful Pines Road

  3. 3

    Take the ramp right

    2545 ft · 1 min

  4. 4

    Merge slight left

    5.3 mi · 6 min

  5. 5

    Continue straight

    292.1 mi · 4 hr 36 min

  6. 6

    Take the exit slight right toward SD 25: Emery, Farmer

    1688 ft · 48 sec

  7. 7

    Turn left onto SD Highway 25

    23.8 mi · 28 min · SD Highway 25

  8. 8

    Turn right onto SD Highway 34

    6 mi · 7 min · SD Highway 34

  9. 9

    Turn left onto SD Highway 25

    60 mi · 1 hr 11 min · SD Highway 25

  10. 10

    At the end of the road, turn right onto US Highway 212

    3.9 mi · 6 min · US Highway 212

  11. 11

    Continue on 4th Street

    1 mi · 2 min · 4th Street

  12. 12

    Continue on US Highway 212

    10.6 mi · 12 min · US Highway 212

  13. 13

    Continue on 9th Avenue Southwest

    6.4 mi · 9 min · 9th Avenue Southwest

  14. 14

    Turn left onto South Broadway

    1.1 km · 2 min · South Broadway

  15. 15

    Arrive at your destination

    0 m · 1 sec · South Broadway

Car Route Details

A richer read on the saved driving route between Blackhawk and Watertown.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
15 steps
6 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
4.1 / 100 mi
Decision points by distance
Main Roads
Peaceful Pines Road
298 mi · 82%
SD Highway 25
83.8 mi · 23%
US Highway 212
14.5 mi · 4%
9th Avenue Southwest
6.41 mi · 2%
SD Highway 34
6.03 mi · 2%
4th Street
1.02 mi
Longest Stretch

Peaceful Pines Road

Continue straight

292 mi · 04h 36m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

Better with a longer stop

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

Drive Time
06h 03m
Overnight route
Same-Day Return
12h 08m
Round-trip wheel time
Road vs Air
+54.7 mi
309.3 mi direct line
Halfway Stop
Oacoma
03h 01m from Blackhawk
Leave By
11:52 PM MDT
Overnight-style route
Weather Watch

Partly Sunny then Slight Chance Showers And Thunderstorms leaving Blackhawk and Mostly Sunny near Watertown.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Blackhawk to Watertown?

The road trip is about 364 miles (585.8 km) and usually takes 06h 03m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

What is the halfway point on this route?

Oacoma is a useful midpoint, sitting about 205.2 miles from Blackhawk and 158.8 miles from Watertown.

How much longer is the road route than the straight-line distance?

The direct path is about 309.3 miles (497.8 km), while the road route adds roughly 54.7 extra miles because roads do not follow the straight air line.

When is the best time to leave for this route?

A good departure window is usually 6:00 AM to 7:30 AM MDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $48.42 one way or $96.84 round trip. Estimated CO2 is about 114.1 kg one way.

Do you cross a time zone on this route?

Yes. There is about a 1 hour time difference between Blackhawk and Watertown, so arrival and return times should be read in local time.

What should you check before leaving?

Before you leave, expect Partly Sunny then Slight Chance Showers And Thunderstorms around Blackhawk and Mostly Sunny near Watertown.

Flight Path Map

This map shows the direct air route between Blackhawk and Watertown. Straight-line distance: 309.33 mi (497.82 km).

Blackhawk

#1 Blackhawk

Census-designated place in Meade County, South Dakota

Population2,892
Coordinates44.1511000, -103.3079600
Altitude1065
CountryUnited States
Watertown

#2 Watertown

City in and county seat of Codington County, South Dakota, United States

Population22,303
Coordinates44.8994100, -97.1150700
Altitude528
CountryUnited States
Start: I 90 Business (-103.308136, 44.151054)
End: South Broadway (-97.115008, 44.899398)

Estimated Travel Time

Distance: 586 km by road

SpeedTime
30 mph (48.3 km/h)12h 07m
40 mph (64.37 km/h)09h 06m
50 mph (80.47 km/h)07h 16m
60 mph (96.56 km/h)06h 04m
70 mph (112.65 km/h)05h 12m
80 mph (129 km/h)04h 32m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
12.84 gal
48.62 L · about $48.42
Round trip
$96.84
25.68 gal · 97.24 L
Estimated CO2
114.1 kg one way
Round trip: 228.2 kg / 503 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $48.42 $96.84
Mid-grade $4.25 $54.61 $109.22
Premium $4.65 $59.76 $119.51
Diesel $5.30 $68.10 $136.21

Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.

Prices in South Dakota · Apr 23, 2026

Please keep in mind that there is a 1 hour time gap between Blackhawk, SD and Watertown, SD. The current time in Blackhawk is 21:00:16, although it is 22:00:16 in Watertown.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.